278294640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{467}}^1$

素因数の和:687

約数の個数: 160

約数和(自身を含む): 935940096

約数和(自身を除く): 657645456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 191, 195, 208, 240, 260, 312, 382, 390, 467, 520, 573, 624, 764, 780, 934, 955, 1040, 1146, 1401, 1528, 1560, 1868, 1910, 2292, 2335, 2483, 2802, 2865, 3056, 3120, 3736, 3820, 4584, 4670, 4966, 5604, 5730, 6071, 7005, 7449, 7472, 7640, 9168, 9340, 9932, 11208, 11460, 12142, 12415, 14010, 14898, 15280, 18213, 18680, 19864, 22416, 22920, 24284, 24830, 28020, 29796, 30355, 36426, 37245, 37360, 39728, 45840, 48568, 49660, 56040, 59592, 60710, 72852, 74490, 89197, 91065, 97136, 99320, 112080, 119184, 121420, 145704, 148980, 178394, 182130, 198640, 242840, 267591, 291408, 297960, 356788, 364260, 445985, 485680, 535182, 595920, 713576, 728520, 891970, 1070364, 1159561, 1337955, 1427152, 1457040, 1783940, 2140728, 2319122, 2675910, 3478683, 3567880, 4281456, 4638244, 5351820, 5797805, 6957366, 7135760, 9276488, 10703640, 11595610, 13914732, 17393415, 18552976, 21407280, 23191220, 27829464, 34786830, 46382440, 55658928, 69573660, 92764880, 139147320, 278294640]

約数ペア:

[(1, 278294640), (2, 139147320), (3, 92764880), (4, 69573660), (5, 55658928), (6, 46382440), (8, 34786830), (10, 27829464), (12, 23191220), (13, 21407280), (15, 18552976), (16, 17393415), (20, 13914732), (24, 11595610), (26, 10703640), (30, 9276488), (39, 7135760), (40, 6957366), (48, 5797805), (52, 5351820), (60, 4638244), (65, 4281456), (78, 3567880), (80, 3478683), (104, 2675910), (120, 2319122), (130, 2140728), (156, 1783940), (191, 1457040), (195, 1427152), (208, 1337955), (240, 1159561), (260, 1070364), (312, 891970), (382, 728520), (390, 713576), (467, 595920), (520, 535182), (573, 485680), (624, 445985), (764, 364260), (780, 356788), (934, 297960), (955, 291408), (1040, 267591), (1146, 242840), (1401, 198640), (1528, 182130), (1560, 178394), (1868, 148980), (1910, 145704), (2292, 121420), (2335, 119184), (2483, 112080), (2802, 99320), (2865, 97136), (3056, 91065), (3120, 89197), (3736, 74490), (3820, 72852), (4584, 60710), (4670, 59592), (4966, 56040), (5604, 49660), (5730, 48568), (6071, 45840), (7005, 39728), (7449, 37360), (7472, 37245), (7640, 36426), (9168, 30355), (9340, 29796), (9932, 28020), (11208, 24830), (11460, 24284), (12142, 22920), (12415, 22416), (14010, 19864), (14898, 18680), (15280, 18213)]